Zero-sum: the imperilled global economic order

Countries across the world are turning inward, embracing protectionism, subsidies and export controls. This threatens the global order that has lifted hundreds of millions out of poverty, and risks economic conflict. Ethiopia’s newfound peace looks fragile and uncertain. And Mexico’s ballads that critics claim glorify criminality, but fans argue celebrate loyalty, ingenuity and hard work.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer